This versatile mill provides an adjustable dial that allows fine to coarse grinds, while the cap keeps spices dry in humid conditions. The grinding mechanism is made from an advanced ceramic close in hardness to diamond that will never rust providing flavorful results and ultra long-life performance. Excellent for sea salt, rock salt, wet salt, peppercorns and seeds. The clever upright design of the mill will keep your shelves & counters clean from residual grinds. The re-usable glass container is dishwasher safe. Grinder: Advanced Ceramic. Container: Glass. Made in Japan.